25555560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1231}}^1$

素因数の和:1418

約数の個数: 64

約数和(自身を含む): 77172480

約数和(自身を除く): 51616920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 173, 346, 519, 692, 865, 1038, 1231, 1384, 1730, 2076, 2462, 2595, 3460, 3693, 4152, 4924, 5190, 6155, 6920, 7386, 9848, 10380, 12310, 14772, 18465, 20760, 24620, 29544, 36930, 49240, 73860, 147720, 212963, 425926, 638889, 851852, 1064815, 1277778, 1703704, 2129630, 2555556, 3194445, 4259260, 5111112, 6388890, 8518520, 12777780, 25555560]

約数ペア:

[(1, 25555560), (2, 12777780), (3, 8518520), (4, 6388890), (5, 5111112), (6, 4259260), (8, 3194445), (10, 2555556), (12, 2129630), (15, 1703704), (20, 1277778), (24, 1064815), (30, 851852), (40, 638889), (60, 425926), (120, 212963), (173, 147720), (346, 73860), (519, 49240), (692, 36930), (865, 29544), (1038, 24620), (1231, 20760), (1384, 18465), (1730, 14772), (2076, 12310), (2462, 10380), (2595, 9848), (3460, 7386), (3693, 6920), (4152, 6155), (4924, 5190)]